Fixes output of help template
Fixes output of help template

Fixes the issue of the help output not ouputting all commands due to the
wrong function being used within spf13/cobra.

Closes https://github.com/spf13/cobra/issues/512
Closes https://github.com/kubernetes/kompose/issues/744

kubernetes/kompose,procrypt/kompose,skippbox/kompose,kadel/kompose,cdrage/kompose,surajnarwade/kompose,skippbox/kompose,skippbox/kompose,kubernetes/kompose,kadel/kompose,ashetty1/kompose,ashetty1/kompose,ashetty1/kompose,procrypt/kompose,procrypt/kompose,surajnarwade/kompose,cdrage/kompose,surajnarwade/kompose